[INFO] crate objc 0.2.6 is already in cache [INFO] extracting crate objc 0.2.6 into work/ex/beta-1.38-1/sources/1.37.0/reg/objc/0.2.6 [INFO] extracting crate objc 0.2.6 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/objc/0.2.6 [INFO] validating manifest of objc-0.2.6 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of objc-0.2.6 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing objc-0.2.6 [INFO] finished frobbing objc-0.2.6 [INFO] frobbed toml for objc-0.2.6 written to work/ex/beta-1.38-1/sources/1.37.0/reg/objc/0.2.6/Cargo.toml [INFO] started frobbing objc-0.2.6 [INFO] finished frobbing objc-0.2.6 [INFO] frobbed toml for objc-0.2.6 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/objc/0.2.6/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing objc-0.2.6 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/objc/0.2.6:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 32b383fe8dde699b866b577cc207e07e7a1e72fb2cbadb1bfa05ad32f02c80e5 [INFO] running `"docker" "start" "-a" "32b383fe8dde699b866b577cc207e07e7a1e72fb2cbadb1bfa05ad32f02c80e5"` [INFO] [stderr] Compiling objc v0.2.6 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stderr] --> src/encode.rs:75:31 [INFO] [stderr] | [INFO] [stderr] 75 | let s = self.as_str().trim_left_matches(QUALIFIERS); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stderr] --> src/encode.rs:76:32 [INFO] [stderr] | [INFO] [stderr] 76 | let o = other.as_str().trim_left_matches(QUALIFIERS); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.08s [INFO] running `"docker" "inspect" "32b383fe8dde699b866b577cc207e07e7a1e72fb2cbadb1bfa05ad32f02c80e5"` [INFO] running `"docker" "rm" "-f" "32b383fe8dde699b866b577cc207e07e7a1e72fb2cbadb1bfa05ad32f02c80e5"` [INFO] [stdout] 32b383fe8dde699b866b577cc207e07e7a1e72fb2cbadb1bfa05ad32f02c80e5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/objc/0.2.6:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 7c5aa0ae228ee8e75dcda4be16241ebdf5e101d13e6b8c0071e88427ca35e9fd [INFO] running `"docker" "start" "-a" "7c5aa0ae228ee8e75dcda4be16241ebdf5e101d13e6b8c0071e88427ca35e9fd"` [INFO] [stderr] Compiling objc v0.2.6 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stderr] --> src/encode.rs:75:31 [INFO] [stderr] | [INFO] [stderr] 75 | let s = self.as_str().trim_left_matches(QUALIFIERS); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stderr] --> src/encode.rs:76:32 [INFO] [stderr] | [INFO] [stderr] 76 | let o = other.as_str().trim_left_matches(QUALIFIERS); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [INFO] [stderr] [INFO] [stderr] error: linking with `cc` failed: exit code: 1 [INFO] [stderr] | [INFO] [stderr] = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.0.rcgu.o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.1.rcgu.o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.10.rcgu.o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.11.rcgu.o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.12.rcgu.o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.13.rcgu.o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.14.rcgu.o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.15.rcgu.o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.2.rcgu.o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.3.rcgu.o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.4.rcgu.o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.5.rcgu.o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.6.rcgu.o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.7.rcgu.o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.8.rcgu.o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.example.4bjetk33-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/examples/example-8ba840a3202844d7" "/opt/crater/target/debug/examples/example-8ba840a3202844d7.2n7nu2deree9znst.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libobjc-88f356599728914d.rlib" "/opt/crater/target/debug/deps/libmalloc_buf-d64b19d45408ceb9.rlib" "/opt/crater/target/debug/deps/liblibc-d019039477cac03b.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-lobjc" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /opt/crater/target/debug/deps/libobjc-88f356599728914d.rlib(objc-88f356599728914d.objc.7mtat40w-cgu.1.rcgu.o): In function `objc::runtime::Object::class': [INFO] [stderr] /opt/crater/workdir/src/runtime.rs:464: undefined reference to `object_getClass' [INFO] [stderr] /opt/crater/target/debug/deps/libobjc-88f356599728914d.rlib(objc-88f356599728914d.objc.7mtat40w-cgu.11.rcgu.o): In function `::drop': [INFO] [stderr] /opt/crater/workdir/src/rc/strong.rs:48: undefined reference to `objc_release' [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `objc`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: linking with `cc` failed: exit code: 1 [INFO] [stderr] | [INFO] [stderr] = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb" "/opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.tov0se9lvb48spo.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lobjc" "-Wl,-Bstatic" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-0127509d2e54a846.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-2651f8b4eed9e86e.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-c729851ce6e3efb2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-e8235f0d435d4737.rlib" "/opt/crater/target/debug/deps/libmalloc_buf-d64b19d45408ceb9.rlib" "/opt/crater/target/debug/deps/liblibc-d019039477cac03b.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.0.rcgu.o: In function `objc::declare::ProtocolDecl::new': [INFO] [stderr] /opt/crater/workdir/src/declare.rs:259: undefined reference to `objc_allocateProtocol' [INFO] [stderr] /opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.0.rcgu.o: In function `objc::declare::ProtocolDecl::add_method_description_common': [INFO] [stderr] /opt/crater/workdir/src/declare.rs:281: undefined reference to `protocol_addMethodDescription' [INFO] [stderr] /opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.0.rcgu.o: In function `objc::declare::ProtocolDecl::add_method_description_common': [INFO] [stderr] /opt/crater/workdir/src/declare.rs:281: undefined reference to `protocol_addMethodDescription' [INFO] [stderr] /opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.0.rcgu.o: In function `objc::declare::ProtocolDecl::add_method_description_common': [INFO] [stderr] /opt/crater/workdir/src/declare.rs:281: undefined reference to `protocol_addMethodDescription' [INFO] [stderr] /opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.0.rcgu.o: In function `objc::declare::ProtocolDecl::add_method_description_common': [INFO] [stderr] /opt/crater/workdir/src/declare.rs:281: undefined reference to `protocol_addMethodDescription' [INFO] [stderr] /opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.0.rcgu.o: In function `objc::declare::ProtocolDecl::add_protocol': [INFO] [stderr] /opt/crater/workdir/src/declare.rs:303: undefined reference to `protocol_addProtocol' [INFO] [stderr] /opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.0.rcgu.o: In function `objc::declare::ProtocolDecl::register': [INFO] [stderr] /opt/crater/workdir/src/declare.rs:311: undefined reference to `objc_registerProtocol' [INFO] [stderr] /opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.3.rcgu.o: In function `objc::runtime::Class::classes': [INFO] [stderr] /opt/crater/workdir/src/runtime.rs:290: undefined reference to `objc_copyClassList' [INFO] [stderr] /opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.3.rcgu.o: In function `objc::runtime::Class::metaclass': [INFO] [stderr] /opt/crater/workdir/src/runtime.rs:322: undefined reference to `object_getClass' [INFO] [stderr] /opt/crater/target/debug/deps/objc-1cf490bb28b4b7cb.objc.6cfnifl8-cgu.3.rcgu.o: In function `objc::runtime::Object::class': [INFO] [stderr] /opt/crater/workdir/src/runtime.rs:464: undefined reference to `object_getClass' [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `objc`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "7c5aa0ae228ee8e75dcda4be16241ebdf5e101d13e6b8c0071e88427ca35e9fd"` [INFO] running `"docker" "rm" "-f" "7c5aa0ae228ee8e75dcda4be16241ebdf5e101d13e6b8c0071e88427ca35e9fd"` [INFO] [stdout] 7c5aa0ae228ee8e75dcda4be16241ebdf5e101d13e6b8c0071e88427ca35e9fd